diff --git a/collects/typed-racket/optimizer/tool/mzc.rkt b/collects/typed-racket/optimizer/tool/mzc.rkt
index 7993f56594..2c76511501 100644
--- a/collects/typed-racket/optimizer/tool/mzc.rkt
+++ b/collects/typed-racket/optimizer/tool/mzc.rkt
@@ -236,5 +236,5 @@
            (append (pluralize n-successes    "success" #:suffix "es")
                    (pluralize n-unrollings   "unrolling")
                    (pluralize n-failures     "failure")
-                   (pluralize n-out-of-fuels "out of fuel"))
+                   (string-append n-out-of-fuels " out of fuel")) ; no plural
            ", ")))